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<div class="section" title="ODTONE-MIHF">
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<a name="odtone.app.mihf_index"></a><a class="link" href="mihf_index.html" title="ODTONE-MIHF"> ODTONE-MIHF</a>
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<p>
        MIHF is a logical entity that facilitates handover decision making. MIH Users
        make handover decisions based on inputs from the MIHF. It provides abstracted
        services to higher layers. The service primitives defined by this interface
        are based on the technology-specific protocol entities of the different access
        networks. The MIHF communicates with the lower layers of the mobility-management
        protocol stack through technology-specific interfaces.
      </p>
<p>
        In other words, the MIHF is a management entity that obtains link-layer information
        from lower layers of different protocol stacks and also from other remote
        nodes. The MIHF coordinates handover decision making with other peer MIHF
        in the network.
      </p>
<p>
        The MIH Protocol provides capability for transferring MIH Messages between
        peer MIHF entities at L2 or at L3. These messages transfer information about
        different available networks and also provide network switching and handover
        capability across different networks.
      </p>
<p>
        The following image illustrate the position of the MIHF in a protocol stack
        and the interaction of the MIHF with other elements of the system. All exchanges
        between the MIHF and other functional entities occur through service primitives,
        grouped in service access points (SAPs).
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